Traverse mechanism for winding-machines, &amp;c.



GivW. FGSTEB. TRAVERSE MEGHANISM FOR WiNDING MACHINES, 6:0.

APPLICATION FILED MAYlQ, 1909.

Q SHEETS-SHEET 5.

'y5 ggg Eatentea? m. 7, $213.

G. W. FOSTER. TRAVERSE MECHANISM FOR WINDING MACHINES, &c.

APPLICATION FILED MAY 19, 1909. l fij fi gfi Patented Oct. '7, 1913.

4 SHEETSSHEET 2.

Fay. 2.

727 67250 r2 mm... wmm. 3 (wow/m G. W. FGSTER.

TRAVERSE MECHANISM FOR- WINDING MACHINES, w.

APPLICATION FILED MAYlQ, 1909.

- Ptenied Get. '2, 1913.

4, SHEETS'SHEET G. W. FOSTER. TRAVERSE MECHANISM FOR WINDING MACHINES, Aw.

APPLICATION FILED MAY 19, 1909.

iiflffifia. Patent a 0011.7, 1 13.

' 4 SHEETS-SHEET 4.

Zfla'dizas'sesss In M92250)".-

@LC-QA w'orney.

fi'EGlR-GE W. FOfiTER, OF IKYWELL, MASSACHUSETTS.

TEAVEIRSE MECEANISI' /I 1 0E W'INDING-MAGHINES, '&c.

Specification of Letters Patent.

alpialieetion filed May 19, 1909. Serial No. 496,971.

To all wlmm'zf may concern.

Be it known that I, Gnome W. FOSTER, a citizen of the Uni-ted States, residing at Lowell, in the county of h liddlesex, State -oit Massachusetts, have invented e certain new and uset'ul improvement in Traverse Mechanisms for W hiding-Machines, &c., of which the following is a specification, reference being had therein to the accompanying drawings.

The invention consists in a novel and improved traverse .n eclianisin adapted to be employed for actuating the traverse-do vices of machines for winding yarn, thread, and cord, and in other similarconnections. it is in the nature'oi an improvement upon the traverse mechanism of United States Letters Patent. No. 789,601, granted to me under date of May 9, 1905, for winding machine. A characteristic feature of the mechanism ot' the said patent is a modified crankmotion by which the wrist pin from which the traverse devices are actuated has given thereto a continuous forward hioven'ient, with gradual acceleration of speed as the winding guide-approaches the end of its traversing n'iovcment in either direction,- so as to cause a quick reversal of the traversing movementand produce a sharp bend of the yarn, or other material being" wound, at each end of the helices of the cop,-aud with gradual retardation of speed as the windingguide travels from an end of the traversing movementtoward the middle of the length oi. 'the cop. The said crank motion occasions, incidentally, a slight shift ing of the wrishpin inward and outward with relation to the center of rotation, the path of movement of the wrist-pin remaining approximately circular, howcvcix The improved traverse mechanism in which my present invention resides constructed to cause quick reversals of the movement of the windingguide at the end of its traverse in either direction, anchin addition, to cause the wiudiugguide to travel equal or approximately equal distances in equal times in moving from substantially one end of the traverse to substantially the other end thereof, without retardati n in approaching either end, in order thereby to insure that the wound mass shall be straight longitudinally at the surface thereof, and not concaved or hollowed intermediate the ends of the helices, as occurs when the traveling movement of the windingguide is fastest between the two extremes of the motion of the winding-guide is derived from a rotating crank.

The present invention employs, as in the case of the prior mechanism, two cranks of different radii rotating concentrically in opposite directions, and a Wrist-pin carrier. In the prior mechanism the said carrier is hung to the "outer crank and in sliding engagement with the innercrank. Inmy, resent invention the wrist-pin carrier is sung pivotally upon the crank of less radius, and is in sliding engagement with that of greater radius. By this means I cause it to have a bodily movement of considerable ex tent in the direction of its own length upon the latter crank, the effect of which is to cause the wrist-pin to move inward to a inaterial'extent in certain portions of the revolutions of the cranks, so as to travel in a narrow elongated ath or orbit, the longitudinal axis of which is the straight line connecting those opposite positions of the wrist-pin that correspond with'the respective ends of the traverse of the winding guide. The sides of the said path or orbit bend inward toward the said axis, and may even cross it. and each other when the parts are properly proportioned to secure such result in the working.

In winding yarn, thread, etc, with a quick traverse and a friction-drive, there is a tendency, at certain stages in the increase in diameter of the wound mass, for a number of courses to accumulate one immediately over or closely adjacent another in bands, forming ridges and also rendering the ends of the wound mass detective. The aim of viate this drawback. This portion ot the invention consists in improved means of changing the lay of the yarn, etc, in being wound, so as to separate the coils of each course from those of the preceding course sulliciently to avoid the production of bands for settiug the winding-guide forward or back slightly so as to pass the same goint earlier or later, as the case may be, in successive traverses In the illustrated embodiment of the invention I construct. the outer crank as a permuting-crank which changes position so as to occasion a relative shift of relented Oct. 7,1913.

the traverse, which usually is the case when the second portion of my invention is tooband ridges. To this end I provide devices the winding-guide forward or rearward. This shift is slight in amount, oat satiicient to effect. a displacement oi the helices which are in course of being wound far enough with relation to those last previousl; wound to prevent the coils of the forn'ier from exactly overlying the coils of the latter. As one specific means of producing the e sired action l. provide the pin. of the said outer crank with an eccentric mounting in the rotating carrier thereof, and provide for turning movement or the said mounting. One specific construction of the said e centric mounting consists in a journal-portion provided in connection with the cranlopin, eccentricelly related to the latter, and fitted to a hearing in connection with the rotating carrier.

An embodiment of the invention is illustrated in the drawingsrin which latter,

Figure 1 is an elevation 01. a portion of a winding frame having the said embodi ment of the invention apolied thereto. Fig. is a sectional view oi the said embodr ment, on an enlarged scale. 25 is a front elevation of the wrist-pin-carrier, de-.

tachrd. liig. is a hack elevation thereof. Fig. is an end view thereof. Fig. 6 is a diagram illustrating the working oi. the devices of l in's. l to 5. Fig. 'i is a sectional. ViCW cl a. inodiiied en'iboijlii'nent of the invention. Fig. 6 is a diagram illustrating the working of the said inodilied einhodinient.

he drawings show only enough of the usual parts of a winding machine to render clear the relations and application oil the einhodiinent, ailorcsaid, of the invention.

lilavin; reference to the drawings at 1.

Fig. 1, is a fixed rail. extending lengthwise ot the n'uurhine. The said. machine is of the type in which the yarn. tlll'QEUi- -UY other material, is wound upon shells or other receivers or coresthrough the frictional en gagrcmcnt lifiiWtLll the surface of a shell or the -l.il(e,'or oi the wound mass thereon, and that oi a drivers-oil with which such surface makes contact. It driver-roll is shown at 2 fixed upon a spindle 3 exlending transversely ol' the machine and mounted in bearings provided thcrctinin connection with a stand lattached lo the lixed rail 1.. The driving means for the said spindle and driver-roll has horn omitted from the d ra wi rigs.

Fig. 1 shows a rone-sha 'wll shell 5 fitted upon a conical holder 3. and with such shell and its hohh'r resting; upon the driverioll i in readiness to revolve the load ol yarn, thriaul orlhe like, .vhich is to he wound thereon. The holder is shown 'irovided with an arhor or spindle T which at its inner rear end. enters the hearing 3 provided in connection with a uiovahle carrier moving up and down upon an inclined guide h). the tendency or he carrier,

or spindle, and holder e gravitate tot/vard the driver-roli, the surface of the shell, or that of the wound. thereon, is vr pressed in driving cont-ee with. that or one drirenrolh as will be understood. it 11 is shown a windingguide, adjacent the driver-roll, such guide being mounted to slide longitudinally upon a supporting-rod 12 extending parallel with the driver-roll, alongrside the latter and supported by the stand 4-. the said winding-guide having a.- loiig stern 13 which is connected pivotally, as at 14:, with an arm 15 fixed upon the traverse rock-shaft 16 and extending no weirdly there'liroin For the purpose of distrihuting the yarn, tl ead or the like in the desired helices or coils upon the shell in being wound thereon, the winding-guide is moved back and forth upon the said supporting rod, lengthwise of tee driver-roll in this instance transversely of the machine as in prior machines of this class. Such movement of the winding-guide is caused by rocking nioveu'ient transmitted to the traverse rock-shaft 16 from the traverse mechanism which will now he described, and in which my invention resides, by means of the arm 17 upon such. rock-shaft and the connectinga'od 18 which is pivetally joined by one end thereof to the said arm the other end of such rod. bein connected to a inemhor of the said lraYerse-inechanisni.

The essential elements of the traversemo'hanism, proper, comprise the rotatable actuator consisling of the nioi'ahle arm 19 constituting a iiifl'lC'I for the wrist-pin 20 with which one end of connecting-rial 1S, aforesaid. is pivolallv engaged; the inner r ialinp; crank comprising the crank -pin 2.1 with which the inner end ol? the said. arm or wrisl'pin-carrier 1.9 is pivotally ci'igan'cd. and the dish carrying the said crank-pin: and the outer rotating crank r-oinpr sing the crank-pin or pivot 23 entering a lo! lriiud'u nal gr ove 2% in the wrist-1iin-carrier l so that the latter is fre lo slide as well as to swing or swivel upon the said cranl-I- /in as upon a pivot. and the rotating disk 25 constituting a carrier for the said cranlo pin or pivot The crank-dish is ll llSl upon one end of a rotating shaft 26, and lhe crank-dish .7 is mounted ronccnlrically with respect to the former, so as to ro'rale around the same center thrrewilh hv hcinv sleeved upon the said shaft 26, the said ('l'illll(-lllll 25 heingr lorn'ied. with a sleeve or extension 27 extending lengthwise oi the shall and fitting the latter. The parts are supported in working position by a pipe-hearing! 3S. liXcd upon the end-lrann: l. and within which the sleeve 27 iitted. 'ihe crankdishs 22 and 25 are with one or the rotating shafts oi 'lhe n'iaichine hy connections actin" to transmit mooperatively rouihincd till and forth along the receivers on which it is l tion from the latter thereto, causing them both to rotate at the same angular velocity but in opposite directions. Thus the sleeve 2? of the crank-dist 25 has fixed thereon a spur-gear QJ meshing with a spur-pinion 3O tired upon the rotating shaft 3l, so that the said crank-disk is caused to rotate oppositely with respect to the direction of rotation. of-the said shaft, and the shaft .26 of the c1-ank-disk 22 has fixed thereon a spurgear 32 meshing with a carrier spur-pinion which in turn meshes with a spur-pinion ill tixcd on shaft 31, the spur-pinion 3 hcing employed to cause the said crank-disk to rotate in the same direction as the shaft l, it following that the respective crankdislrs are rotated oppositely with respect to each other. The crank-pin or pivot 23 is located at a greater radial distance from the center of rotation than the crank-pin 2.1.

In operation, the rotation of the crankpin 21 and crank-pin 23 in opposite directions causes the inner end of wrist-pin-carricrlt) to he carried around in a circular path by the former crank-pimsuch path being indicated by the dotted circles a, in Figs. 6 and 8, While the engagement of the other crank-pin with the body of the wristpin-carrier causes the latter to swing upon crank-pin 21, and attwo opposite points in the rotation as the crank-pins pass each other the wrist-pin-cairier is caused to turn half-way around upon crank-pin 21, namely at the top and bottom of Figs. 6 and 8. The connection of Wrist-pin-carrier 19 with crank-pin 21 causes the wrist-pin-carrier to more longitudinally upon crank-pin 23, in addition to rocking or swinging thereon. The result of the conjoint action of the parts is that the wrist-pin 20 is caused to pursue the elongated path or orbit previously men'- tioncd. When the parts are proportioned substantially as in Figs. 1 and-2, the path or orbit. of the wrist-pin is like that shown by the succession of small circles of the diagram in Fig. 6, such path crossing itself near each end, producing short terminal'loops and a longer intermediate loop. The large circle of Fig. 8 indicates the circle of revolution of the outer crank. The short radial lines indicate the distances thatare passed over by the cranks in equal times. For one halfv ot' a rotation of the cranks the positions successively assumed by the wrist-pin carrier are indicated by lines 0, c, etc., drawn from points on the small circle to the appropriate points on the large circle. To insure clearness in Fig. 6, these lines are omitted for the other half of the rotation. The motion of.

the wrist-pin as it follows the path or orbit shown by the succession of small circles is, ,well adapted to the purpose of actuating the traverse-du 'ices, 6., the devices by which the material being wound conducted haclr I wound. When the diamcteror" the inner crank is equal to the radius of the outer crank as in ,the path followed by the Wrist-pin is like thatshown in Fig. 8. In Figs. 6 and 5% the spaces hctwcen the short horizontal parallel lines which intersect the centers of the small circles representing the path of the wrist-pin indicate the distances which are traveled vertically hy the wristpin in equal intervals of time. it will be perceived that in the of both embodiments of the invention such distances are equal or approximately equal from close to one rcversing point of the traverse-to close to the other, and that there is no material dwell or retardation adjacent such points.

My invention enables me to construct a crank-motion in which the wrist-pin travels in a narrow elongated path closely related to a straight line.

For the purpose of permitting the outer crank-pin or pivot I have in this instance, as before stated, provided the said outer crank-pin or pivot with an cecentricanounting in connection with the rotating carrier thereof, such eccentric-inounting operatingto cause the said cranlopin or pivot to change its position slightly with relation to its carrier. This eccentric mounting is constituted in the present embodiment of the invention by a journal 9.3 with which the said crank-pin is furnished, fitting a hearing at 23 which is provided in connection with the rotating carrier 25, the said journal and the crank-pin being eccent-rically rclated to each other, as shown. To cause the eccentricity to act to produce the required change in the position of the cranlepin or pivot, a relative turning movement of journal and hearing is occasioiu-d, such relative movement being either continuous or intcrmittent. The drawings show a convenicnt construction in which the journal has fixed thereon a spur-pinion Q3 meshing with a spur-pinion of a ditlerent ntimher of lcclh, lixcd upon the stationary pipe-hearing 28. its disk 25 rotates, carrying c 'anl rpin 23 around, the engagement of spur-pinion 223 with the lixed spur-pinion 23 causes the crank-pin to make a partial rotation upon its own axis, shifting its position slightly. as aforesaid.

lv claim as my invention i 1. In cmnhination, traverse-devices, travcrsc-mechanism comprisin essentially an arm with which the said traversedevices are connected, and two actuating cranks of different radii, rotating concentrically, the

said arm being in sliding engagement with the crank of greater radius and. hodily carried around by said crank in the rotation 0:5 the latter, and it, inner end being in pivotal engagement with the crank of less radius and carried around thereby, and the arm being shifted lengthwise hysuch crank and the point pin carried by the sa d arm and operatively connected to the said traverse-devices, the said arm in sliding engagement with the crank oi greater radius and bodily carried around by said crank in the rotation of the latter, and its inner end being in pivotal engagei'nent with the crank of less radius and carried around thereby, the arm being shift ed lengthwise by the latter crank and the Wrist-pin being thereby given reciprocal movement within a narrow elongated path.

3. In combination, traverse-devices, a wrist-pin carrier, a wrist-pin on the said carrier operatively connected with the said traverse-devices, two cranks rotating concentrically, of ditlerent radii, the said arm being in sliding, engagement with the crank 0t greater radius and bodily carried around by the latter in. its rotation, and one end of the carrier being pivoi'ally engaged with the crank of less radius and carried around thereby, the carrier being also shifted lengthwise by such crank and the Wrist-pin being given reciprocal movement in a narrow elongated path, and means for rotating said cranks continuously in opposite directions.

4-. in combination, traverse-devices, a wrist-pin opcratively connected with the said devices. a WPlSt-Plll-(t1ll'l(l, a rotating crank with which the said \vrist-pin-carrier is engaged, a second rotating crank with which the aid \vrist-pin-carri ir is in sliding as well as pivotal engagement, and devi -cs tor lt'VHlVilljI eaid Second crank around the same cZ iitc-r ins the filfit.titfi1,li.x},(l perinuiin r the same as it is revolved.

5. in. combination. traverse-devices, a. ro-

tatable actuator in operative with the said traverse-devices, a rotating crank with which the said actuator is engaged, a second rotating crank with which the said actuator is in sliding as Well as pivotal engagement, and devices for volving said second crank about the same center as the first crank and perniuting the same as it is revolved.

6. In combination, tIft'tVQISQ-(l@YlCtiS, a wrist-pin connected optn'ativel v with the said devices, a \vrist-pin-carrier, rotating crank with which. the said vvristiin-carrier is engaged, a carrier rotating around the same center as the said crank, a. pivot connecting the \vrist-pin-carrier with the said rotating carrier and ivith which the wrist? pin-carrier is in sliding engagement, the said pivot having an eccentric-monoting in connection. with the rotating carrier, and operating devices for the said pivot and its eccentric-monnting causing a permutation oi. the position of the pivot.

T. In combination, traverse-devices, a \vriet-pin connected operatively with the said devices, a wrist-pin-carrier, a rotating crank with which the said wrist-pin-carrier is engaged, a carrier rotating around the same center as the said crank. a pivot core necting the wrist-pin carrier ith the said rotating carrier and \vith which, the vrrist pin "arrier is in sliding engagement. the said pivot having a. journal-pia'tion mounted in the rotatin; carrier, such pivot and its journal-portion being,- ecccntrically related, and 111921115 for rotating said journal-portioii in its hearing. the eccenti icit v causing a perinutatioir of the pivot. v

In testimony whereof l ailix my signature in presence of two witnesses.

GEORGE W. l*t%."ll*]lt.

lvitncescez CHAS. F. Renown, Enrrn J. Animation. 

